山东大学学报(理学版) ›› 2017, Vol. 52 ›› Issue (11): 23-28.doi: 10.6040/j.issn.1671-9352.0.2017.093
张晓东1,董唯光1,2*,汤旻安1,郭俊锋3,梁金平4
ZHANG Xiao-dong1, DONG Wei-guang1,2*, TANG Min-an1, GUO Jun-feng3, LIANG Jin-ping4
摘要: 为了解决信号重构性能差的问题,提出了一种基于广义Jaccard系数的广义正交匹配追踪(generalized orthogonal matching pursuit, gOMP)重构算法。该算法利用广义Jaccard系数相似性匹配准则替换gOMP算法中的内积度量准则,优化了通过感知矩阵来选择与残差余量最匹配原子的匹配方式。实验结果表明,该算法的重构成功率不仅高于gOMP算法,同时也高于OMP、StOMP等算法。
中图分类号:
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